diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8865393a6d..c6a4198590 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -56,7 +56,8 @@ jobs:
         # This is based on your 1.0 configuration file or project settings
         - run: node -v
         - run: npm -v
-        - run: npm install
+        - run: npm install -g yarn
+        - run: /opt/circleci/nodejs/v10.12.0/bin/yarn install
         - run: if [[ ! -e elasticsearch-2.3.3 ]]; then wget --no-check-certificate https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-2.3.3.tar.gz && tar -xvf elasticsearch-2.3.3.tar.gz && elasticsearch-2.3.3/bin/plugin install analysis-icu; fi
         - run:
             command: elasticsearch-2.3.3/bin/elasticsearch
diff --git a/lib/Alchemy/Phrasea/Application.php b/lib/Alchemy/Phrasea/Application.php
index bba5aae23e..f586a4f93a 100644
--- a/lib/Alchemy/Phrasea/Application.php
+++ b/lib/Alchemy/Phrasea/Application.php
@@ -92,9 +92,12 @@ use Alchemy\WorkerProvider\WorkerServiceProvider;
 use Doctrine\DBAL\Event\ConnectionEventArgs;
 use MediaVorus\Media\MediaInterface;
 use MediaVorus\MediaVorus;
+use Monolog\Handler\ErrorLogHandler;
 use Monolog\Handler\RotatingFileHandler;
+use Monolog\Handler\StreamHandler;
 use Monolog\Logger;
 use Neutron\ReCaptcha\ReCaptchaServiceProvider;
+use Psr\Log\LoggerInterface;
 use Silex\Application as SilexApplication;
 use Silex\Application\TranslationTrait;
 use Silex\Application\UrlGeneratorTrait;
@@ -253,6 +256,23 @@ class Application extends SilexApplication
         $this->register(new OrderServiceProvider());
         $this->register(new WebhookServiceProvider());
 
+        $this['monolog'] = $this->share(
+            $this->extend('monolog', function (LoggerInterface $logger, Application $app) {
+
+                $logger->pushHandler(new ErrorLogHandler(
+                    ErrorLogHandler::SAPI,
+                    Logger::ERROR
+                ));
+
+                $logger->pushHandler(new StreamHandler(
+                    fopen('php://stderr', 'w'),
+                    Logger::ERROR
+                ));
+
+                return $logger;
+            })
+        );
+
         $this['phraseanet.exception_handler'] = $this->share(function ($app) {
             /** @var PhraseaExceptionHandler $handler */
             $handler =  PhraseaExceptionHandler::register($app['debug']);